Case for electronic device



FIG. 1 is a front perspective view of a case for electronic device showing my new design;

FIG. 2 is a front elevational viewthereof;

FIG. 3 is a rear elevational viewthereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines throughout the drawing figures depict portions of the case for an electronic device that form no part of the claimed design. 

CLAIM The ornamental design for a case for an electronic device, as shown and described. 